Zero is used as a mark for positive and negative values in the real world, including elevation, money, and temperature. Choose ALL values that are negative in the given contexts or units.

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?